obnoxious vs pleasant

obnoxious

adj
  • Exposed or vulnerable to something, especially harm or injury. 

  • Extremely offensive or unpleasant; very annoying, contemptible, or odious. 

pleasant

adj
  • Giving pleasure; pleasing in manner. 

How often have the words obnoxious and pleasant occurred in a corpus of books? (source: Google Ngram Viewer )